Home / 10,560.44-15,842.37-3,987.20

Finding the Fourth Proportional to 10,560.44, 15,842.37 and 3,987.20

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Solution

The fourth proportional to 10,560.44, 15,842.37 and 3,987.20 is: 5,981.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,560.44 : 15,842.37 = 3,987.20 : x
  2. Step 2: Convert to fraction form
    10,560.44/15,842.37 = 3,987.20/x
  3. Step 3: Cross multiply
    10,560.44x = 15,842.37 × 3,987.20
  4. Step 4: Simplify right side
    10,560.44x = 63,166,697.66
  5. Step 5: Solve for x
    x = 63,166,697.66/10,560.44
  6. Step 6: Final answer
    x = 5,981.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.